public void LoadData()
{
IsBusy = true;
planManagerDomainContext = new PlanManagerDomainContext();
ProductDomainContext = new ProductDomainContext();
planManagerDomainContext.plan_extras.Clear();
App app = Application.Current as App;
LoadOperation<user_remind> loadOperationUserRemind =
planManagerDomainContext.Load<user_remind>(planManagerDomainContext.GetUserRemindQuery(app.UserInfo.UserID));
loadOperationUserRemind.Completed += LoadUseRemindComplete;
}